13212210101 has 4 divisors (see below), whose sum is σ = 13907589600. Its totient is φ = 12516830604.

The previous prime is 13212210023. The next prime is 13212210131. The reversal of 13212210101 is 10101221231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13212210101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13212210131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347689721 + ... + 347689758.

It is an arithmetic number, because the mean of its divisors is an integer number (3476897400).

Almost surely, 2^13212210101 is an apocalyptic number.

It is an amenable number.

13212210101 is a deficient number, since it is larger than the sum of its proper divisors (695379499).

13212210101 is an equidigital number, since it uses as much as digits as its factorization.

13212210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695379498.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 13212210101 its reverse (10101221231), we get a palindrome (23313431332).

The spelling of 13212210101 in words is "thirteen billion, two hundred twelve million, two hundred ten thousand, one hundred one".